/******************************************************************************
* Spine Runtimes Software License v2.5
*
* Copyright (c) 2013-2016, Esoteric Software
* All rights reserved.
*
* You are granted a perpetual, non-exclusive, non-sublicensable, and
* non-transferable license to use, install, execute, and perform the Spine
* Runtimes software and derivative works solely for personal or internal
* use. Without the written permission of Esoteric Software (see Section 2 of
* the Spine Software License Agreement), you may not (a) modify, translate,
* adapt, or develop new applications using the Spine Runtimes or otherwise
* create derivative works or improvements of the Spine Runtimes or (b) remove,
* delete, alter, or obscure any trademarks or any copyright, trademark, patent,
* or other intellectual property or proprietary rights notices on or in the
* Software, including any copy thereof. Redistributions in binary or source
* form must include this license and terms.
*
* THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL ESOTERIC SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS INTERRUPTION, OR LOSS OF
* USE, DATA, OR PROFITS) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
package com.esotericsoftware.spine;
import com.badlogic.gdx.utils.Array;
import com.badlogic.gdx.utils.ObjectMap;
import com.badlogic.gdx.utils.ObjectMap.Entry;
import com.badlogic.gdx.utils.Pool;
import com.esotericsoftware.spine.attachments.Attachment;
/** Stores attachments by slot index and attachment name.
* <p>
* See SkeletonData {@link SkeletonData#defaultSkin}, Skeleton {@link Skeleton#skin}, and
* <a href="http://esotericsoftware.com/spine-runtime-skins">Runtime skins</a> in the Spine Runtimes Guide. */
public class Skin {
static private final Key lookup = new Key();
final String name;
final ObjectMap<Key, Attachment> attachments = new ObjectMap();
final Pool<Key> keyPool = new Pool(64) {
protected Object newObject () {
return new Key();
}
};
public Skin (String name) {
if (name == null) throw new IllegalArgumentException("name cannot be null.");
this.name = name;
}
/** Adds an attachment to the skin for the specified slot index and name. */
public void addAttachment (int slotIndex, String name, Attachment attachment) {
if (attachment == null) throw new IllegalArgumentException("attachment cannot be null.");
if (slotIndex < 0) throw new IllegalArgumentException("slotIndex must be >= 0.");
Key key = keyPool.obtain();
key.set(slotIndex, name);
attachments.put(key, attachment);
}
/** Returns the attachment for the specified slot index and name, or null. */
public Attachment getAttachment (int slotIndex, String name) {
if (slotIndex < 0) throw new IllegalArgumentException("slotIndex must be >= 0.");
lookup.set(slotIndex, name);
return attachments.get(lookup);
}
public void findNamesForSlot (int slotIndex, Array<String> names) {
if (names == null) throw new IllegalArgumentException("names cannot be null.");
if (slotIndex < 0) throw new IllegalArgumentException("slotIndex must be >= 0.");
for (Key key : attachments.keys())
if (key.slotIndex == slotIndex) names.add(key.name);
}
public void findAttachmentsForSlot (int slotIndex, Array<Attachment> attachments) {
if (attachments == null) throw new IllegalArgumentException("attachments cannot be null.");
if (slotIndex < 0) throw new IllegalArgumentException("slotIndex must be >= 0.");
for (Entry<Key, Attachment> entry : this.attachments.entries())
if (entry.key.slotIndex == slotIndex) attachments.add(entry.value);
}
public void clear () {
for (Key key : attachments.keys())
keyPool.free(key);
attachments.clear();
}
/** The skin's name, which is unique within the skeleton. */
public String getName () {
return name;
}
public String toString () {
return name;
}
/** Attach each attachment in this skin if the corresponding attachment in the old skin is currently attached. */
void attachAll (Skeleton skeleton, Skin oldSkin) {
for (Entry<Key, Attachment> entry : oldSkin.attachments.entries()) {
int slotIndex = entry.key.slotIndex;
Slot slot = skeleton.slots.get(slotIndex);
if (slot.attachment == entry.value) {
Attachment attachment = getAttachment(slotIndex, entry.key.name);
if (attachment != null) slot.setAttachment(attachment);
}
}
}
static class Key {
int slotIndex;
String name;
int hashCode;
public void set (int slotIndex, String name) {
if (name == null) throw new IllegalArgumentException("name cannot be null.");
this.slotIndex = slotIndex;
this.name = name;
hashCode = 31 * (31 + name.hashCode()) + slotIndex;
}
public int hashCode () {
return hashCode;
}
public boolean equals (Object object) {
if (object == null) return false;
Key other = (Key)object;
if (slotIndex != other.slotIndex) return false;
if (!name.equals(other.name)) return false;
return true;
}
public String toString () {
return slotIndex + ":" + name;
}
}
}